Merge tag 'mmc-2021-9-13' of https://source.denx.de/u-boot/custodians/u-boot-mmc

Support using mmc command for enumerating mmc card in a given mode
Fix device_remove in mmc
Fix switch issue with send_status disabled
Drop 1ms delay in fsl_esdhc command sending
Revert "mmc: sdhci: set to INT_DATA_END when there are data"